City of Columbia


443 Area code: Columbia, Howard - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 4435675100 | +1 443-567-5100 Maryland U.S.A.
  • 4435675101 | +1 443-567-5101 Maryland U.S.A.
  • 4435675102 | +1 443-567-5102 Maryland U.S.A.
  • 4435675103 | +1 443-567-5103 Maryland U.S.A.
  • 4435675104 | +1 443-567-5104 Maryland U.S.A.
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  • 4435675111 | +1 443-567-5111 Maryland U.S.A.
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  • 4435675159 | +1 443-567-5159 Maryland U.S.A.
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  • 4435675181 | +1 443-567-5181 Maryland U.S.A.
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